The most poisonous spiders in the world - If you're scared of spiders, this gallery might not be for you. Take a look at the most venomous species of spiders in the world!

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Katipo - Native to New Zealand, this spider is actually endangered. Its bite is not lethal but it is far from pleasant, with symptoms including fevers, tremors, cramps, and sweats.

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False widow - The false widow is one of the most dangerous spiders in England. Its bite can cause extreme pain, nausea, swelling, and even gangrene.

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Brown recluse spider - This is the most poisonous spider in the United States. The brown recluse spider's bite can cause seizures, nausea, muscular pain and, in the worst cases, the death of skin tissue.

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Hobo spider - Even though its bite isn't fatal, the hobo spider's poison can cause prolonged seizures and skin swelling.

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Six-eyed sand spider - This spider's bite is deemed fatal. There are reported cases of people losing arms after they were bitten by the six-eyed sand spider, and the worst part is that there isn't antidote for the venom.

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Tarantula - Even though they're some of the most feared spiders in the world, their venom only provokes pain. Unless you're allergic to its fur, this spider doesn't pose a danger to humans.

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Steatoda grossa - The cupboard spider isn't considered dangerous for humans. Its poison is as painful as a wasp's sting but there are cases in which the symptoms were more aggressive.

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Redback spider - This spider's bite can be lethal unless treated immediately. An antidote was created in 1956 and it is estimated that around 250 people a year have to take it.

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Sydney funnel-web spider - Native to Australia, this spider can kill a human being in only 15 minutes. Fortunately, there is an antidote, but it needs to be applied quickly!

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Lynx spider - This is one of the only species of spiders that can squirt its own venom. Even though the poison isn't lethal for humans, it can cause a swelling of up to 25 cm in diameter!

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Poecilotheria rajaei - Native to Sri Lanka, this type of tarantula has enough venom to kill small birds, lizards, and even mice.

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Black house spider - Even though the black house spider is venomous, it isn't deadly. Its bite can result in vomiting and nausea.

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Southern black widow - This species is 15 times more venomous than a pit viper snake. However, only the females are dangerous for humans and they usually have a distinctive red mark on their abdomens.

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Cheiracanthium - This spider's venom rarely leads to death, but common symptoms include fever, muscular cramps, and nausea.

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Wolf spider - Its name sounds threatening, but the wolf spider's poison only causes skin rashes. However, if you're allergic to it, you'll need immediate treatment.

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Trapdoor spiders - Trapdoor spiders rarely bite humans and their venom isn't enough to kill, but a bite will cause many painful symptoms.

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Brown widow - The symptoms caused by this spider's bite can include muscle spasms, headaches, and strong nausea.

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Missulena - The missulena is very aggressive and equipped with big fangs. Even though they're not deadly, they can cause some serious symptoms.

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King baboon spider - The king baboon spider can be found in Africa and it is very similar to a tarantula. Its bite can lead to difficulties walking, vomiting, and it can even cause shock.

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Chilean recluse spider - This spider's bite rarely leads to death, but it can cause skin rashes and skin cell death in extreme situations.

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Red widow - The red widow is mainly found in Florida and its bite can cause spasms. Luckily, this spider is rarely seen.

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Hadronyche formidabilis - This one is closely related to the funnel-web spider, but it is mainly found in forests.

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Tiger wandering spider - This spider's venom is a neurotoxin and it can cause severe pain.

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Barn funnel weaver - Even though attacks on humans are rare, the barn funnel weaver's venom can cause strong headaches and vomiting.

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Brazilian wandering spider - Guinness World Records states this is the most venomous species of spider in the world. It is found in the Caribbean and in some South American countries.

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